(Prefix) subnet lookup #615

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opened 2025-12-29 16:23:52 +01:00 by adam · 2 comments
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Originally created by @quentinsch on GitHub (Jan 9, 2017).

It would be nice if you could lookup the subnet when entering an IP address to a device.
If you've a lot of prefixes defined it can be hard to remember the defined prefix when you enter the IP address.
Maybe the input field could show a short list of prefixes in a kind of pop-up next to the input field to help you out which prefix to select.

I am aware this could be complex to figure this out how this should work, especially with IPv6, but it would be a great enhancement.
Maybe some one else can add some suggestions?

Originally created by @quentinsch on GitHub (Jan 9, 2017). It would be nice if you could lookup the subnet when entering an IP address to a device. If you've a lot of prefixes defined it can be hard to remember the defined prefix when you enter the IP address. Maybe the input field could show a short list of prefixes in a kind of pop-up next to the input field to help you out which prefix to select. I am aware this could be complex to figure this out how this should work, especially with IPv6, but it would be a great enhancement. Maybe some one else can add some suggestions?
adam closed this issue 2025-12-29 16:23:52 +01:00
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@jeremystretch commented on GitHub (Jan 9, 2017):

I'm not sure I understand how this would help. How would showing a list of all your prefixes help you determine what the device's IP should be? Why wouldn't you just use the existing prefix to find the desired prefix first?

@jeremystretch commented on GitHub (Jan 9, 2017): I'm not sure I understand how this would help. How would showing a list of all your prefixes help you determine what the device's IP should be? Why wouldn't you just use the existing prefix to find the desired prefix first?
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@quentinsch commented on GitHub (Jan 12, 2017):

I understand the way you're thinking with adding it through the prefix the other way around. I just thought it would be convenient if you could look it up the other way around when adding a device.
It might also be too complex to build in. It was just my two cents for improvement.

@quentinsch commented on GitHub (Jan 12, 2017): I understand the way you're thinking with adding it through the prefix the other way around. I just thought it would be convenient if you could look it up the other way around when adding a device. It might also be too complex to build in. It was just my two cents for improvement.
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Reference: starred/netbox#615